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Excellent abrasion resistance for extended service life in demanding mechanical environments.
Superior elasticity and recovery performance, maintaining shape integrity after repeated deformation.
Good low-temperature flexibility down to –30 °C without significant stiffness increase.
Outstanding oil and grease resistance, suitable for contact with hydrocarbon-based lubricants.
High transparency and clarity with minimal yellowing after UV exposure and thermal aging.
Transparent protective films for electronic displays and touch panels.
Soft-touch overmolding for automotive interior trim and control knobs.
Medical tubing requiring biocompatibility and kink resistance.
High-clarity gaskets and seals for optical and precision instrumentation.
Wearable device components including wristbands and sensor housings.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Transparent, translucent granules |
| Hardness (Shore A) | 85 ± 2 |
| Melt Flow Index (230 °C/2.16 kg) | 15–20 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Primary Applications | Transparent elastomeric parts, soft-touch overmolding, medical-grade flexible components |
| Key Features | UV-stable, hydrolysis-resistant, FDA-compliant raw material grade |
Q1: What is the primary functional role of Weike TPU 89085A in thermoplastic polyurethane formulations?
A: Weike TPU 89085A functions as a high-performance processing aid and melt-flow modifier, enhancing extrudability, reducing melt viscosity, and improving surface finish in TPU-based compounds—particularly during film casting, profile extrusion, and injection molding.
Q2: Is Weike TPU 89085A compatible with both aromatic and aliphatic TPU base resins?
A: Yes, it demonstrates broad compatibility across common aromatic and aliphatic TPU grades, including polyester- and polyether-based systems. Compatibility should be confirmed via small-scale trials under intended processing conditions.
Q3: How does Weike TPU 89085A affect the mechanical properties of the final TPU product?
A: When used within recommended dosage ranges, it maintains key mechanical attributes—including tensile strength, elongation at break, and abrasion resistance—while optimizing processability. Significant over-addition may reduce hardness or modulus, so dosage should be balanced against performance priorities.
Q4: What are the recommended storage and handling conditions for Weike TPU 89085A?
A: Store in original sealed packaging in a cool, dry, well-ventilated area away from direct sunlight and sources of heat or ignition. Avoid prolonged exposure to ambient humidity prior to use, as moisture absorption may affect dispersion efficiency during compounding.
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E-mail: wangxingqiang@ericwchem.com
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